Class: ServicePattern::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/service_pattern/service.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.call(*args, &blk) ⇒ Object 



12
13
14
 
# File 'lib/service_pattern/service.rb', line 12

def self.call(*args, &blk)
  execute(*args, &blk)
end

.chain(*args, &blk) ⇒ Object

The same as execute but doesn’t catch FailedError so they are passed on to the parent service call



3
4
5
6
7
8
9
10
 
# File 'lib/service_pattern/service.rb', line 3

def self.chain(*args, &blk)
  service = new(*args, &blk)

  can_execute_response = service.can_execute?
  ServicePattern::Service.fail!(can_execute_response.errors) unless can_execute_response.success?

  service.execute
end

.execute(*args, &blk) ⇒ Object 



16
17
18
19
20
21
22
23
24
25
 
# File 'lib/service_pattern/service.rb', line 16

def self.execute(*args, &blk)
  service = new(*args, &blk)

  can_execute_response = service.can_execute?
  return can_execute_response unless can_execute_response.success?

  service.execute
rescue ServicePattern::FailedError => e
  ServicePattern::Response.new(errors: e.errors)
end

.execute!(*args, &blk) ⇒ Object 



27
28
29
30
31
 
# File 'lib/service_pattern/service.rb', line 27

def self.execute!(*args, &blk)
  response = execute(*args, &blk)
  ServicePattern::Service.fail!(response.errors) unless response.success?
  response.result
end

.fail!(errors) ⇒ Object 



33
34
35
36
37
38
 
# File 'lib/service_pattern/service.rb', line 33

def self.fail!(errors)
  errors = [errors] unless errors.is_a?(Array)
  error =  ServicePattern::FailedError.new(errors.join(". "))
  error.errors = errors
  raise error
end

Instance Method Details

#can_execute? ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
 
# File 'lib/service_pattern/service.rb', line 40

def can_execute?
  succeed!
end

#execute(*_args) ⇒ Object

Raises:

  • (NoMethodError) 


44
45
46
 
# File 'lib/service_pattern/service.rb', line 44

def execute(*_args)
  raise NoMethodError, "You should implement the `execute` method on your service"
end

#fail!(errors) ⇒ Object 



48
49
50
 
# File 'lib/service_pattern/service.rb', line 48

def fail!(errors)
  ServicePattern::Service.fail!(errors)
end

#succeed!(result = nil) ⇒ Object 



52
53
54
 
# File 'lib/service_pattern/service.rb', line 52

def succeed!(result = nil)
  ServicePattern::Response.new(result: result)
end